Using this site

We have established a website for the Center for Twin Research in order to make our activities known to as many people as possible. If you want to contact us, please use the contact information on the ”Contact Us” page.

Recommended browsers

This website tells apart computer and smartphone users according to the horizontal width of their browser window and switches display modes accordingly. To browse this site in computer browser display mode, please keep your browser window wide.

Computer browsers

  • Internet Explorer 8.0 or newer
  • Firefox 28.0 or newer
  • Chrome 39.0 or newer
  • Safari 6.2 or newer (MacOS)


  • Android: always use the latest version of Google Mobile Chrome
  • iPhone: Safari (iOS 5 or newer)


JavaScript is needed to browse this site.
If JavaScript is disabled in your browser settings, the site may not display or function properly. Please enable JavaScript and try again.

Regarding social media (SNS)

This site is equipped with share buttons for Twitter, Facebook and LINE, but to use them you need to have a personal account at the services you want to use.

Regarding copyrights

The Center for Twin Research reserves rights for all photographs, text and videos uploaded on this site. Unauthorized use and reproduction of the materials is forbidden.